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31240301334 = 23111927079203
BaseRepresentation
bin11101000110000100…
…010010101100010110
32222122012010201221120
4131012010102230112
51002440004120314
622203540024410
72154110115504
oct350604225426
988565121846
1031240301334
1112281376860
12607a392106
132c3b32a308
141725069674
15c2c9758a9
hex746112b16

31240301334 has 64 divisors (see below), whose sum is σ = 71782364160. Its totient is φ = 8964220320.

The previous prime is 31240301303. The next prime is 31240301341. The reversal of 31240301334 is 43310304213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3389977 + ... + 3399179.

It is an arithmetic number, because the mean of its divisors is an integer number (1121599440).

Almost surely, 231240301334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31240301334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35891182080).

31240301334 is an abundant number, since it is smaller than the sum of its proper divisors (40542062826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31240301334 is a wasteful number, since it uses less digits than its factorization.

31240301334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31240301334 its reverse (43310304213), we get a palindrome (74550605547).

The spelling of 31240301334 in words is "thirty-one billion, two hundred forty million, three hundred one thousand, three hundred thirty-four".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1254 2707 5414 8121 9203 16242 18406 27609 29777 51433 55218 59554 89331 101233 102866 154299 174857 178662 202466 303699 308598 349714 524571 565763 607398 1049142 1131526 1697289 1923427 3394578 3846854 5770281 11540562 24912521 49825042 74737563 149475126 274037731 473337899 548075462 822113193 946675798 1420013697 1644226386 2840027394 5206716889 10413433778 15620150667 31240301334